* governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.admin.maintenance;

import java.io.IOException;
import java.net.InetAddress;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Properties;
import java.util.stream.Stream;
import java.util.zip.ZipEntry;